Operating Your Tablet PC 2-5Typewriter KeysTypewriter keys are similar to the keys on a typewriter. Several keys areadded such as the Ctrl, Alt, Esc, and lock keys for special purposes. TheControl key (Ctrl) is normally used in combination with other keys forprogram-specific functions. The Alternate key (Alt) is normally used incombination with other keys for program-specific functions. The Escapekey (Esc) is usually used for stopping a process. Examples are exiting aprogram and canceling a command. The function depends on the programyou are using. When the lock keys (Caps Lock, Num Lock, and Scroll Lock)are pressed, their corresponding indicators light up on the Tablet PC frontpanel’s device indicators.Cursor-Control KeysNOTE: The word “cursor” refers to the indicator on the screen that lets you knowexactly where on your screen anything you type will appear. It can take the form of avertical or horizontal line, a block, or one of many other shapes.